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5/29/2022

This webpage provides an overview of the concept of Brownian motion and its significance as evidence for the existence of atoms. Brownian motion refers to the random movement of small particles suspended in a fluid. The page explains how the observations made by Robert Brown in the early 19th century led to the development of the kinetic molecular theory, which states that matter is composed of discrete, indivisible particles called atoms. It discusses how the theory of Brownian motion provided experimental evidence to support the atomic theory, as the observed movement of particles could only be explained if they were constantly bombarded by invisible, smaller particles. The page also explores how subsequent experiments further confirmed the existence of atoms. Overall, it highlights the importance of Brownian motion in establishing the scientific understanding of atomic theory.

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